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  <title>Opens an Secure SSL-FTP connection</title>

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</div><hr /><div id="function.ftp-ssl-connect" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ftp_ssl_connect</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.3.0, PHP 5)</p><p class="refpurpose"><span class="refname">ftp_ssl_connect</span> &mdash; <span class="dc-title">Opens an Secure SSL-FTP connection</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.ftp-ssl-connect-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">resource</span> <span class="methodname"><strong>ftp_ssl_connect</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$host</code></span>
   [, <span class="methodparam"><span class="type">int</span> <code class="parameter">$port</code><span class="initializer"> = 21</span></span>
   [, <span class="methodparam"><span class="type">int</span> <code class="parameter">$timeout</code><span class="initializer"> = 90</span></span>
  ]] )</div>

  <p class="para rdfs-comment">
   <span class="function"><strong>ftp_ssl_connect()</strong></span> opens an explicit SSL-FTP connection to the
   specified <em><code class="parameter">host</code></em>.
  </p>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <strong>Why this function may not exist</strong><br />
   <p class="para">
    <span class="function"><strong>ftp_ssl_connect()</strong></span> is only available if both
    the ftp module and the <a href="ref.openssl.html" class="link">OpenSSL</a>
    support is built statically into php, this means that on Windows this
    function will be undefined in the official PHP builds. To make this
    function available on Windows you must compile your own PHP binaries.
   </p>
  </p></blockquote>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <p class="para">
    <span class="function"><strong>ftp_ssl_connect()</strong></span> is not intended for use with sFTP.
    To use sFTP with PHP, please see <span class="function"><a href="function.ssh2-sftp.html" class="function">ssh2_sftp()</a></span>.
   </p>
  </p></blockquote>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.ftp-ssl-connect-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">host</code></em></dt>

     <dd>

      <p class="para">
       The FTP server address. This parameter shouldn&#039;t have any trailing 
       slashes and shouldn&#039;t be prefixed with <em>ftp://</em>.
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">port</code></em></dt>

     <dd>

      <p class="para">
       This parameter specifies an alternate port to connect to. If it is
       omitted or set to zero, then the default FTP port, 21, will be used.
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">timeout</code></em></dt>

     <dd>

      <p class="para">
       This parameter specifies the timeout for all subsequent network operations.
       If omitted, the default value is 90 seconds. The timeout can be changed and
       queried at any time with <span class="function"><a href="function.ftp-set-option.html" class="function">ftp_set_option()</a></span> and
       <span class="function"><a href="function.ftp-get-option.html" class="function">ftp_get_option()</a></span>.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.ftp-ssl-connect-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns a SSL-FTP stream on success or <strong><code>FALSE</code></strong> on error.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.ftp-ssl-connect-changelog">
  <h3 class="title">更新日志</h3>
  <p class="para">
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>版本</th>
       <th>说明</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>5.2.2</td>
       <td>
        The function was changed to return <strong><code>FALSE</code></strong> when it can&#039;t use an SSL
        connection, instead of fallbacking to a non-SSL one as previously.
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.ftp-ssl-connect-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-4215">
    <p><strong>Example #1 <span class="function"><strong>ftp_ssl_connect()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">//&nbsp;set&nbsp;up&nbsp;basic&nbsp;ssl&nbsp;connection<br /></span><span style="color: #0000BB">$conn_id&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ftp_ssl_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$ftp_server</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;login&nbsp;with&nbsp;username&nbsp;and&nbsp;password<br /></span><span style="color: #0000BB">$login_result&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ftp_login</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$ftp_user_name</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$ftp_user_pass</span><span style="color: #007700">);<br /><br />echo&nbsp;</span><span style="color: #0000BB">ftp_pwd</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">);&nbsp;</span><span style="color: #FF8000">//&nbsp;/<br /><br />//&nbsp;close&nbsp;the&nbsp;ssl&nbsp;connection<br /></span><span style="color: #0000BB">ftp_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.ftp-ssl-connect-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.ftp-connect.html" class="function" rel="rdfs-seeAlso">ftp_connect()</a> - 建立一个新的 FTP 连接</span></li>
   </ul>
  </p>
 </div>

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